package Demo4;

public class Main1 {
    static int count=0;

    public static void main(String[] args) throws InterruptedException {
        Object o=new Object();
        Thread t1=new Thread(()->{
            for (int i = 0; i <500000 ; i++) {
              synchronized(o){
                  count++;
                }
            }
        });

        Thread t2=new Thread(()->{
            for (int i = 0; i <500000 ; i++) {
                synchronized(o){
                    count++;
                }
            }
        });
        t1.start();

        t2.start();
        t1.join();
t2.join();
        System.out.println(count);
    }
}
